Armor - Error Anvil JEI

[ghost]

An error occurs if you look into the armors in JEI Anvil section. Its combination with any enchantment triggers an error in its enchantment cost.

It shows in JEI: Enchantment Cost: err
and it logs in the console: [Render thread/ERROR] [me.je.pl.va.an.AnvilRecipeMaker/]: Could not get anvil level cost for: (1 desert_head survivaloverhaul:desert_head nbt:{Damage:0} and 1 enchanted_book minecraft:enchanted_book nbt:{StoredEnchantments:[{lvl:4s,id:"minecraft:projectile_protection"}]}).
java.lang.NullPointerException: null